Compare 3681 vs 3691
| Property | 3681 | 3691 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 32 × 4091 | 36911 |
| Prime factorization | 3 × 3 × 409 | 3691 |
| Divisors count | 6 | 2 |
| Divisors | 1, 3, 9, 409, 1227, 3681 | 1, 3691 |
| Number of properties | 0 | 6 |
| Additive primes | 267th | |
| Chen primes | 301st | |
| Isolated primes | 320th | |
| Primes | 515th | |
| Sexy primes (1st member) | 194th | |
| Ulam primes | 42nd | |
| Roman numberals | MMMDCLXXXI | MMMDCXCI |
| Base 2 | 1110011000012 | 1110011010112 |
| Base 3 | 120011003 | 120012013 |
| Base 4 | 3212014 | 3212234 |
| Base 5 | 1042115 | 1042315 |
| Base 6 | 250136 | 250316 |
| Base 7 | 135067 | 135227 |
| Base 8 | 71418 | 71538 |
| Base 9 | 50409 | 50519 |
| Base 10 | 368110 | 369110 |
| Base 11 | 284711 | 285611 |
| Base 12 | 216912 | 217712 |
| Base 13 | 18a213 | 18ac13 |
| Base 14 | 14ad14 | 14b914 |
| Base 15 | 115615 | 116115 |
| Base 16 | e6116 | e6b16 |